10320203012 has 72 divisors (see below), whose sum is σ = 21598859520. Its totient is φ = 4300490880.

The previous prime is 10320202969. The next prime is 10320203021. The reversal of 10320203012 is 21030202301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1010789 + ... + 1020947.

It is an arithmetic number, because the mean of its divisors is an integer number (299984160).

Almost surely, 2^10320203012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10320203012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10799429760).

10320203012 is an abundant number, since it is smaller than the sum of its proper divisors (11278656508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10320203012 is a wasteful number, since it uses less digits than its factorization.

10320203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321 (or 10312 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10320203012 its reverse (21030202301), we get a palindrome (31350405313).

The spelling of 10320203012 in words is "ten billion, three hundred twenty million, two hundred three thousand, twelve".